Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519fe6587b366Run #519fe82fef731DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)838 699 -139 -16.6%
Incl. Wall Time (microsec) per call 93 78 -15 -16.6%
Excl. Wall Time (microsec)90 79 -11 -12.2%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)266,912 266,912 0 0.0%
Incl. MemUse (bytes) per call 29,657 29,657 0 0.0%
Excl. MemUse (bytes)-41,360 -41,360 0 0.0%
Incl. PeakMemUse (bytes)282,232 282,232 0 0.0%
Incl. PeakMemUse (bytes) per call 31,359 31,359 0 0.0%
Excl. PeakMemUse (bytes)1,136 1,136 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -139 -3.3% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-11 -7.9% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -139 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -115 -82.7% 0 N/A% 0 N/A% 0 N/A%
unserialize@10 N/A% -13 -9.4% 0 N/A% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%